package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    DishService dishService;
    @Autowired
    RedisTemplate redisTemplate;

    /**
     * 菜品分页查找
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查找")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.save(dishDTO);
        //清除该分类的缓存
        String key = "dish_"+dishDTO.getCategoryId();
        cleanCach(key);
        return Result.success();
    }

    /**
     * 根据菜品id查询菜品信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据菜品id查询")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("要查询的菜品id是：{}",id);
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品信息
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改的菜品信息是；{}",dishDTO);
        dishService.update(dishDTO);
        //删除所有缓存
        cleanCach("dish_*");
        return Result.success();
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("删除菜品的id是:{}",ids);
        dishService.delete(ids);
        //删除所有缓存
        cleanCach("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> getByCateGoryId(@RequestParam Long categoryId){
        log.info("查询的菜品id：{}",categoryId);
        List<Dish> dishlist = dishService.getByCategoryId(categoryId);
        return Result.success(dishlist);
    }

    /**
     * 菜品启售，停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启售停售菜品")
    public Result startorstop(@PathVariable Integer status,Long id){
        log.info("菜品状态设置为：{}，设置的菜品id是：{}",status,id);
        dishService.startorstop(status,id);
        //删除所有缓存
        cleanCach("dish_*");
        return Result.success();
    }

    /**
     * 清除缓存
     * @param pattern
     */
    private void cleanCach(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
